Finding the Fourth Proportional to 1,144,689.80, 1,579,592.84 and 635,352.08
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Solution
The fourth proportional to 1,144,689.80, 1,579,592.84 and 635,352.08 is: 876,741.98
Step by Step Solution
- Step 1: Write the proportion equation
1,144,689.80 : 1,579,592.84 = 635,352.08 : x - Step 2: Convert to fraction form
1,144,689.80/1,579,592.84 = 635,352.08/x - Step 3: Cross multiply
1,144,689.80x = 1,579,592.84 × 635,352.08 - Step 4: Simplify right side
1,144,689.80x = 1,003,597,596,447.11 - Step 5: Solve for x
x = 1,003,597,596,447.11/1,144,689.80 - Step 6: Final answer
x = 876,741.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.